Home / 52,674.22-72,693.12-28,800.64

Finding the Fourth Proportional to 52,674.22, 72,693.12 and 28,800.64

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Solution

The fourth proportional to 52,674.22, 72,693.12 and 28,800.64 is: 39,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,674.22 : 72,693.12 = 28,800.64 : x
  2. Step 2: Convert to fraction form
    52,674.22/72,693.12 = 28,800.64/x
  3. Step 3: Cross multiply
    52,674.22x = 72,693.12 × 28,800.64
  4. Step 4: Simplify right side
    52,674.22x = 2,093,608,379.60
  5. Step 5: Solve for x
    x = 2,093,608,379.60/52,674.22
  6. Step 6: Final answer
    x = 39,746.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.